private void Context_Error(object sender, EventArgs e)
{
HttpContext context = ((HttpApplication)sender).Context;
int statusCode = ((HttpException)context.Error).GetHttpCode();
if ((object.ReferenceEquals(context.Error.GetType(), typeof(HttpException))) && (statusCode == 404 || statusCode == 500))
{
// Get the Web application configuration.
System.Configuration.Configuration configuration = WebConfigurationManager.OpenWebConfiguration("~/web.config");
// Get the section.
CustomErrorsSection customErrorsSection = (CustomErrorsSection)configuration.GetSection("system.web/customErrors");
// Get the collection
CustomErrorCollection customErrorsCollection = customErrorsSection.Errors;
//Clears existing response headers and sets the desired ones.
context.Response.ClearHeaders();
context.Response.StatusCode = statusCode;
if ((customErrorsCollection.Get(statusCode.ToString()) != null))
{
context.Server.Transfer(customErrorsCollection.Get(statusCode.ToString()).Redirect);
}
else
{
context.Response.Flush();
}
}
}
public void GetKey()
{
CustomErrorCollection col = new CustomErrorCollection();
col.Add(new CustomError(404, "http://404-error.com/"));
Assert.AreEqual("404", col.GetKey(0), "A1");
}
public static void Main()
{
// <Snippet1>
// Get the Web application configuration.
Configuration configuration =
WebConfigurationManager.OpenWebConfiguration(
"/aspnetTest");
// Get the section.
CustomErrorsSection customErrors =
(CustomErrorsSection)configuration.GetSection(
"system.web/customErrors");
// Get the collection.
CustomErrorCollection customErrorsCollection =
customErrors.Errors;
// </Snippet1>
// <Snippet2>
// Create a new error object.
// Does not exist anymore.
// CustomError newcustomError = new CustomError();
// </Snippet2>
// <Snippet3>
// Create a new error object.
CustomError newcustomError2 =
new CustomError(404, "customerror404.htm");
// </Snippet3>
// <Snippet4>
// Get first errorr Redirect.
CustomError currentError0 =
customErrorsCollection[0];
string currentRedirect =
currentError0.Redirect;
// Set first error Redirect.
currentError0.Redirect =
"customError404.htm";
// </Snippet4>
// <Snippet5>
// Get second error StatusCode.
CustomError currentError1 =
customErrorsCollection[1];
int currentStatusCode =
currentError1.StatusCode;
// Set the second error StatusCode.
currentError1.StatusCode = 404;
// </Snippet5>
}
private void Context_Error(object sender, EventArgs e)
{
HttpContext context = ((HttpApplication)sender).Context;
// determine if it was an HttpException
if ((object.ReferenceEquals(context.Error.GetType(), typeof(HttpException))))
{
// Get the Web application configuration.
System.Configuration.Configuration configuration = WebConfigurationManager.OpenWebConfiguration("~/web.config");
// Get the section.
CustomErrorsSection customErrorsSection = (CustomErrorsSection)configuration.GetSection("system.web/customErrors");
// Get the collection
CustomErrorCollection customErrorsCollection = customErrorsSection.Errors;
int statusCode = ((HttpException)context.Error).GetHttpCode();
//Clears existing response headers and sets the desired ones.
context.Response.ClearHeaders();
context.Response.StatusCode = statusCode;
if (statusCode == 404)
{
string Path = context.Request.Path;
if (Path.Contains("playlist.xml"))
{
context.Response.Clear();
context.Response.StatusCode = 101;
context.Response.Redirect("/mp3/playlist.xml");
}
else if (!Path.EndsWith(".js") && !Path.EndsWith(".gif") && !Path.EndsWith(".jpg") && !Path.EndsWith(".png"))
{
context.Response.Clear();
context.Response.Write("404 file not found");
context.Response.Redirect("/404.aspx");
}
}
else
{
}
//context.Response.Flush();
}
else
{
// log the error here in the tracer
//Clears existing response headers and sets the desired ones.
context.Response.ClearHeaders();
context.Response.StatusCode = 500;
//context.Server.Transfer("/500.aspx");
if (!context.Request.IsLocal)
{
context.Response.Redirect("/500.aspx");
}
//
}
}
public void DuplicateKeyInAdd()
{
CustomErrorCollection col = new CustomErrorCollection();
col.Add(new CustomError(404, "http://404-error.com/"));
col.Add(new CustomError(404, "http://403-error.com/"));
Assert.AreEqual(1, col.Count, "A1");
Assert.AreEqual(1, col.AllKeys.Length, "A2");
Assert.AreEqual("http://403-error.com/", col[0].Redirect, "A3");
}
public void AllKeys()
{
CustomErrorCollection col = new CustomErrorCollection();
col.Add(new CustomError(404, "http://404-error.com/"));
col.Add(new CustomError(403, "http://403-error.com/"));
col.Add(new CustomError(999, "http://403-error.com/"));
Assert.AreEqual(3, col.AllKeys.Length, "A1");
Assert.AreEqual("404", col.AllKeys[0], "A2");
Assert.AreEqual("403", col.AllKeys[1], "A3");
Assert.AreEqual("999", col.AllKeys[2], "A4");
}
public void Set()
{
CustomErrorCollection col = new CustomErrorCollection();
col.Add(new CustomError(404, "http://404-error.com/"));
col.Add(new CustomError(403, "http://403-error.com/"));
col.Add(new CustomError(999, "http://403-error.com/"));
col.Set(new CustomError(403, "http://403-error2.com/"));
Assert.AreEqual(3, col.Count, "A1");
Assert.AreEqual(3, col.AllKeys.Length, "A2");
Assert.AreEqual("http://403-error2.com/", col[1].Redirect, "A3");
}
public void SetToDuplicate()
{
CustomErrorCollection col = new CustomErrorCollection();
col.Add(new CustomError(404, "http://404-error.com/"));
col.Add(new CustomError(403, "http://403-error.com/"));
col.Add(new CustomError(999, "http://403-error.com/"));
/* override the 999 entry with a duplicate 403 */
col[2] = new CustomError(403, "http://403-error2.com/");
Assert.AreEqual(3, col.Count, "A1");
Assert.AreEqual(3, col.AllKeys.Length, "A2");
Assert.AreEqual(403, col[1].StatusCode, "A3");
Assert.AreEqual("http://403-error.com/", col[1].Redirect, "A4");
Assert.AreEqual(403, col[2].StatusCode, "A5");
Assert.AreEqual("http://403-error2.com/", col[2].Redirect, "A6");
}
public static void Main()
{
// <Snippet1>
// Get the Web application configuration.
System.Configuration.Configuration configuration =
WebConfigurationManager.OpenWebConfiguration(
"/aspnetTest");
// Get the section.
CustomErrorsSection customErrorsSection =
(CustomErrorsSection)configuration.GetSection(
"system.web/customErrors");
// Get the collection
CustomErrorCollection customErrorsCollection =
customErrorsSection.Errors;
// </Snippet1>
// <Snippet2>
// Create a new CustomErrorCollection object.
CustomErrorCollection newcustomErrorCollection =
new System.Web.Configuration.CustomErrorCollection();
// </Snippet2>
// <Snippet3>
// Get the currentDefaultRedirect
string currentDefaultRedirect =
customErrorsSection.DefaultRedirect;
// </Snippet3>
// <Snippet4>
// Using the Set method.
CustomError newCustomError =
new CustomError(404, "customerror404.htm");
// Update the configuration file.
if (!customErrorsSection.SectionInformation.IsLocked)
{
// Add the new custom error to the collection.
customErrorsCollection.Set(newCustomError);
configuration.Save();
}
// </Snippet4>
// <Snippet5>
// Using the Add method.
CustomError newCustomError2 =
new CustomError(404, "customerror404.htm");
// Update the configuration file.
if (!customErrorsSection.SectionInformation.IsLocked)
{
// Add the new custom error to the collection.
customErrorsCollection.Add(newCustomError2);
configuration.Save();
}
// </Snippet5>
// <Snippet6>
// Using the Clear method.
if (!customErrorsSection.SectionInformation.IsLocked)
{
// Execute the Clear method.
customErrorsCollection.Clear();
configuration.Save();
}
// </Snippet6>
// <Snippet7>
// Using the Remove method.
if (!customErrorsSection.SectionInformation.IsLocked)
{
// Remove the error with statuscode 404.
customErrorsCollection.Remove("404");
configuration.Save();
}
// </Snippet7>
// <Snippet8>
// Using method RemoveAt.
if (!customErrorsSection.SectionInformation.IsLocked)
{
// Remove the error at 0 index
customErrorsCollection.RemoveAt(0);
configuration.Save();
}
// </Snippet8>
// <Snippet9>
// Get the current Mode.
CustomErrorsMode currentMode =
customErrorsSection.Mode;
// Set the current Mode.
customErrorsSection.Mode =
CustomErrorsMode.RemoteOnly;
// </Snippet9>
// <Snippet10>
// Get the error with collection index 0.
CustomError customError =
customErrorsCollection[0];
// </Snippet10>
// <Snippet11>
// Get the error with status code 404.
CustomError customError1 =
customErrorsCollection["404"];
// </Snippet11>
// <Snippet12>
// Create a new CustomErrorsSection object.
CustomErrorsSection newcustomErrorsSection =
new CustomErrorsSection();
// </Snippet12>
}
public void GetKey_OutOfRange()
{
CustomErrorCollection col = new CustomErrorCollection();
Assert.IsNull(col.GetKey(0), "A1");
}
protected void AccessDenied()
{
CustomErrorCollection errorPages = new CustomErrorCollection();
Response.Redirect(errorPages["403"].Redirect, true);
}
protected void PageNotFound()
{
CustomErrorCollection errorPages = new CustomErrorCollection();
Response.Redirect(errorPages["404"].Redirect, true);
}
